<template>
  <view v-if="goods_info.goods_name">
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <swiper-item v-for="(item, i) in goods_info.pics" :key="i">
        <image :src="item.pics_big" @click="preview(i)"></image>
      </swiper-item>
    </swiper>
    <view class="goods-info-box">
      <view class="price">￥{{goods_info.goods_price}}</view>
      <view class="goods-info-body">
        <view class="goods-name">{{goods_info.goods_name}}</view>
        <view class="favi">
          <uni-icons type="star" size="18" color="gray"></uni-icons>
          <text>收藏</text>
        </view>
      </view>
      <view class="yf">快递：免运费</view>
    </view>
    <rich-text :nodes="goods_info.goods_introduce"></rich-text>
    <view class="goods_nav">
      <uni-goods-nav :fill="true" :options="options" :buttonGroup="buttonGroup" @click="onClick" @buttonClick="buttonClick" />
      </view>
  </view>
</template>

<script>
  import { mapMutations } from 'vuex'
  import { mapGetters } from 'vuex'
  export default {
    data() {
      return {
        goods_info: {},
            options: [{
              icon: 'shop',
              text: '店铺'
            }, {
              icon: 'cart',
              text: '购物车',
              info: 2
            }],
            buttonGroup: [{
                text: '加入购物车',
                backgroundColor: '#ff0000',
                color: '#fff'
              },
              {
                text: '立即购买',
                backgroundColor: '#ffa200',
                color: '#fff'
              }
            ]
      };
    },
    onLoad(options) {
      const goods_id = options.goods_id
      this.getGoodsDetail(goods_id)
    },
    methods: {
      async getGoodsDetail(goods_id) {
        const { data: res } = await uni.$http.get('/api/public/v1/goods/detail', { goods_id })
        if (res.meta.status !== 200) return uni.$showMsg()
        this.goods_info = res.message
      },
      preview(i){
         uni.previewImage({
            current: i,
            urls: this.goods_info.pics.map(x => x.pics_big)
          })
      },
      async getGoodsDetail(goods_id) {
        const { data: res } = await uni.$http.get('/api/public/v1/goods/detail', { goods_id })
        if (res.meta.status !== 200) return uni.$showMsg()
       res.message.goods_introduce = res.message.goods_introduce.replace(/<img /g, '<img style="display:block;" ').replace(/webp/g, 'jpg')
        this.goods_info = res.message
      },
      ...mapMutations('m_cart',['addToCart']),
      buttonClick(e) {
         if (e.content.text === '加入购物车') {
            const goods = {
               goods_id: this.goods_info.goods_id,     
               goods_name: this.goods_info.goods_name,   
               goods_price: this.goods_info.goods_price, 
               goods_count: 1,                          
               goods_small_logo: this.goods_info.goods_small_logo, 
               goods_state: true               
            }
            this.addToCart(goods)
         }
      }
    },
    onClick(e) {
      if (e.content.text === '购物车') {
        uni.switchTab({
          url: '/pages/cart/cart'
        })
      }
    },
     computed: {
       ...mapGetters('m_cart', ['total']),
     },
     watch: {
        total:{
          immediate: true,
          handler(newVal) {
            const findResult = this.options.find((x) => x.text === '购物车')
            if (findResult) {
              findResult.info = newVal
            }
          }
         }
      },
  }
</script>

<style lang="scss">
swiper {
  height: 750rpx;

  image {
    width: 100%;
    height: 100%;
  }
}
.goods-info-box {
  padding: 10px;
  padding-right: 0;

  .price {
    color: #c00000;
    font-size: 18px;
    margin: 10px 0;
  }

  .goods-info-body {
    display: flex;
    justify-content: space-between;

    .goods-name {
      font-size: 13px;
      padding-right: 10px;
    }

    .favi {
      width: 120px;
      font-size: 12px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      border-left: 1px solid #efefef;
      color: gray;
    }
  }

  .yf {
    margin: 10px 0;
    font-size: 12px;
    color: gray;
  }
}
.goods-detail-container {
  padding-bottom: 50px;
}

.goods_nav {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
}
</style>
